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| Notation | Description |
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| | Total number of RATs |
| | Total number of tiers under a RAT |
| , | PPP for APs belonging to tier of RAT and its density |
| | PPP for users, and its density |
| | Transmit power of APs belonging to pair |
| | Path loss exponent for tier |
| | Thermal Noise power associated with RAT |
| | SINR threshold for pair |
| | Rate threshold for pair |
| | Carrier sensing for an AP pf Wi-Fi RAT |
| | Carrier sensing range for an AP of Wi-Fi RAT |
| , | Medium access indicator for a random and tagged AP under Wi-Fi RAT |
| , | Medium access probability for a random and tagged AP under Wi-Fi RAT |
| , | SINR coverage of pair and overall for |
| , | Rate coverage of pair and overall for |
| | Effective bandwidth of serving AP |
| | Load under serving AP |
| , | Normalized Power and path loss exponent |
| | PPP for all APs deployed in the region |
| , | PPP for cellular and Wi-Fi RAT, respectively |
| , | A ball of radius with center at origin, and its compliment |
| , | Stable queue probability for a user under cellular and Wi-Fi RAT, respectively |
| Packet arrival rate for a user during a time-slot |
| Active probability of an AP during a time-slot |
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